* {
	margin:0;
	padding:0;
	box-sizing:border-box;
}
#messages {
	list-style-type:none;
	margin:0;
	padding:0;
}
#messages li {
	padding:5px 10px;
}
#messages li:nth-child(odd) {
	background:#eee;
}
body {
	margin:0px;
	padding:0px;
	font-family:"Segoe UI","Microsoft Yahei",sans-serif;
}
